<template>
  <h2>AsyncComponent子级组件</h2>
  <h3>{{msg}}</h3>
</template>

<script lang='ts'>
import { defineComponent } from "vue";
export default defineComponent({
  name: "AsyncComponent",
  setup() {
    return new Promise((resolve,reject) => {
      setTimeout(() => {
        resolve({
          msg:'显示显示',
        })
      },2000)
    })
  },
});
</script>
